feat(ai-avatar): 音色来源切换时动态过滤语言选项并自动回退

apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx

@@ -13,7 +13,8 @@ import {
   type VoiceEmotion,
   type VoiceLanguage,
   VOICE_EMOTION_OPTIONS,
-  VOICE_LANGUAGE_OPTIONS,
+  PRESET_VOICE_LANGUAGE_OPTIONS,
+  CLONE_VOICE_LANGUAGE_OPTIONS,
 } from "../types"
 
 interface PanelVoiceSelectorProps {
@@ -91,6 +92,12 @@ export function PanelVoiceSelector({
 
   const NO_PREVIEW_TIP = "该音色暂无试听音频，请先用此音色生成一段配音后再试听"
 
+  // 系统预置音色仅支持 zh/en；克隆音色支持全语言
+  const languageOptions =
+    voiceSource === "clone" ? CLONE_VOICE_LANGUAGE_OPTIONS : PRESET_VOICE_LANGUAGE_OPTIONS
+  // 当前语言不在可选列表（切回预置时 ja/ko/cantonese/mandarin 失效）→ 自动回退到中文
+  const effectiveLanguage = languageOptions.some((o) => o.value === language) ? language : "zh"
+
   /** 用指定 URL 真实播放（抽取公共） */
   const playAudioUrl = (voiceId: string, url: string) => {
     // 临时兼容：后端 /tts/preview 返回 HTTP URL，staging 是 HTTPS，Mixed Content 会阻止加载
@@ -289,10 +296,12 @@ export function PanelVoiceSelector({
             <select
               id="aa-voice-language"
               className="aa-select"
-              value={language}
-              onChange={(e) => onLanguageChange(e.target.value as VoiceLanguage)}
+              value={effectiveLanguage}
+              onChange={(e) => {
+                onLanguageChange(e.target.value as VoiceLanguage)
+              }}
             >
-              {VOICE_LANGUAGE_OPTIONS.map((opt) => (
+              {languageOptions.map((opt) => (
                 <option key={opt.value} value={opt.value}>
                   {opt.label}
                 </option>